Home / 80,880.15-121,320.23-41,514.15

Finding the Fourth Proportional to 80,880.15, 121,320.23 and 41,514.15

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Solution

The fourth proportional to 80,880.15, 121,320.23 and 41,514.15 is: 62,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,880.15 : 121,320.23 = 41,514.15 : x
  2. Step 2: Convert to fraction form
    80,880.15/121,320.23 = 41,514.15/x
  3. Step 3: Cross multiply
    80,880.15x = 121,320.23 × 41,514.15
  4. Step 4: Simplify right side
    80,880.15x = 5,036,506,018.68
  5. Step 5: Solve for x
    x = 5,036,506,018.68/80,880.15
  6. Step 6: Final answer
    x = 62,271.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.